MAX1198 Datasheet, PDF (9/22 Pages) Maxim Integrated Products – Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC with Internal Reference and Parallel Outputs

Dual, 8-Bit, 100Msps, 3.3V, Low-Power ADC
with Internal Reference and Parallel Outputs
Typical Operating Characteristics (continued)
(V_DD = 3.3V, OV_DD = 2.5V, V_REFIN = 2.048V, differential input at -1dB FS, f_CLK = 100MHz, C_L ≈ 10pF, T_A = +25°C, unless otherwise
noted.)
GAIN ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE V_REFIN = 2.048V
0.5
CHB
0.3
0.1
CHA
OFFSET ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE V_REFIN = 2.048V
0.8
0.3
CHA
-0.2
-0.1
-0.3
-40 -15 10
35
60
85
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
90
86
-0.7
CHB
-1.2
-40 -15
10
35
60
85
TEMPERATURE (°C)
DIGITAL SUPPLY CURRENT
vs. ANALOG INPUT FREQUENCY
20
16
SNR/SINAD, THD/SFDR
vs. SAMPLING SPEED
80
SFDR
f_IN = 19.87089082MHz
72
64
THD
56
SNR
48
40
0
SINAD
20 40 60 80 100 120
SAMPLING SPEED (Msps)
SNR/SINAD, THD/SFDR
vs. CLOCK DUTY CYCLE
80
SFDR
70
82
12
78
8
60
THD
SNR
50
74
70
-40 -15
10
35
60
85
TEMPERATURE (°C)
4
0
0
10
20
30
40
50
ANALOG INPUT FREQUENCY (MHz)
40
SINAD
f_IN = 19.87089082MHz
30
40
44
48
52
56
60
CLOCK DUTY CYCLE (%)
2.0430
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
2.0500
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.0425
2.0420
2.0415
2.0410
2.0405
2.0460
2.0420
2.0380
2.0340
2.0400
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
2.0300
-40 -15
10
35
60
85
TEMPERATURE (°C)
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